Headline: El costo de circularLink: http://www.eluniverso.com/2010/05/19/1/1363/costo-circular.html?p=1362&m=260Publication Date: Wednesday, May 19, 2010Primary Source: El Universo (Ecuador)Type: op-edFormat: Newspaper (Online)Nature of Mention: authoredScholar: Calderon, GabrielaResearch Area: Regulatory StudiesSubjects: public transitAttached Files: El Universo_3_1.pdf